GB/T 4324.26-2012 Active National standards

GB/T 4324.26-2012 Methods for chemical analysis of tungsten—Part 26:Determination of nitrogen content—Pulse heating inert gas fusion-thermal conductive method and the Nessler reagent spectrophotometry

GB/T 4324.26-2012 Methods for chemical analysis of tungsten—Part 26:Determination of nitrogen content—Pulse heating inert gas fusion-thermal conductive method and the Nessler reagent spectrophotometry

Publish Date: 2012-12-31 Implement Date: 2013-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 4324.26-2012

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Rare high-melting-point metals and their alloys

ICS Name: Other non-ferrous metals and their alloys

Publish Date: 2012-12-31

Implement Date: 2013-10-01

Pages: 8 pages

Scope

This part of GB/T 4324 specifies the method for determining the nitrogen content in tungsten powder and tungsten bars.
This part is applicable to the determination of nitrogen content in tungsten. Method I has a determination range of 0.0005% to 0.040%; Method II has a determination range of 0.001% to 0.005%.

Development Information

Word Count: 13 Thousand words Pages: 8 pages

Same series standard

GB/T 4324.1-2012 Methods for chemical analysis of tungsten—Part 1:Determination of lead content—Flame atomic absorption spectrometry GB/T 4324.2-2012 Methods for chemical analysis of tungsten—Part 2:Determination of bismuth content—Hydrogenate atomic absorption spectrometry GB/T 4324.3-2012 Methods for chemical analysis of tungsten—Part 3:Determination of tin content—Hydrogenate atomic absorption spectrometry GB/T 4324.4-2012 Methods for chemical analysis of tungsten—Part 4:Determination of antimony content—Hydrogenate atomic absorption spectrometry GB/T 4324.5-2012 Methods for chemical analysis of tungsten—Part 5:Determination of arsenic content—Hydrogenate atomic absorption spectrometry GB/T 4324.6-2012 Methods for chemical analysis of tungsten—Part 6:Determination of iron content—1,10-phenanthroline spectrophotometry GB/T 4324.7-2012 Methods for chemical analysis of tungsten—Part 7:Determination of cobalt content—Inductively coupled plasma atomic emission spectrometry GB/T 4324.9-2012 Methods for chemical analysis of tungsten—Part 9:Determination of cadmium content—Inductively-coupled plasma atomic emission spectrometry and flame atomic absorption spectrometry GB/T 4324.10-2012 Methods for chemical analysis of tungsten—Part 10:Determination of copper content—Flame atomic absorption spectrometry GB/T 4324.11-2012 Methods for chemical analysis of tungsten—Part 11:Determination of aluminum content—Inductively coupled plasma atomic emission spectrometry GB/T 4324.12-2012 Methods for chemical analysis of tungsten—Part 12:Determination of silicon content—Chlorization-molybdenum blue spectrophotometry GB/T 4324.14-2012 Methods for chemical analysis of tungsten—Part 14:Determination of residue content after chloride volatility—Gravimetric method GB/T 4324.16-2012 Methods for chemical analysis of tungsten—Part 16:Determination of loss content on ignition—Gravimetric method GB/T 4324.17-2012 Methods for chemical analysis of tungsten—Part 17:Determination of sodium content—Flame atomic absorption spectrometry GB/T 4324.18-2012 Methods for chemical analysis of tungsten—Part 18:Determination of potassium content—Flame atomic absorption spectrometry GB/T 4324.19-2012 Methods for chemical analysis of tungsten—Part 19:Determination of titanium content—The diantipyrylmethane photometric spectrophtometry GB/T 4324.20-2012 Methods for chemical analysis of tungsten—Part 20:Determination of vanadium content—Inductively coupled plasma atomic emission spectrometry GB/T 4324.21-2012 Methods for chemical analysis of tungsten—Part 21:Determination of chromium content—Inductively coupled plasma atomic emission spectrometry GB/T 4324.22-2012 Methods for chemical analysis of tungsten—Part 22:Determination of manganese content—Inductively coupled plasma atomic emission spectrometry GB/T 4324.23-2012 Methods for chemical analysis of tungsten—Part 23:Determination of sulfur content—The combustion-conductometric titration and high frequency combustion-infrared absorption method GB/T 4324.24-2012 Methods for chemical analysis of tungsten—Part 24:Determination of phosphorus content—Molybdemum blue photometry GB/T 4324.25-2012 Methods for chemical analysis of tungsten—Part 25:Determination of oxygen content—Pulse heating inert gas fusion-infrared absorption method GB/T 4324.27-2012 Methods for chemical analysis of tungsten—Part 27:Determination of carbon content—High frequency combustion-infrared absorption method GB/T 4324.28-2012 Methods for chemical analysis of tungsten—Part 28:Determination of molybdenum content—The thioyanate spectrophotometry

Replace the following standards

GB/T 4324.26-1984 Methods for chemical analysis of tungsten--The Nessler reagent photometric method for the determination of nitrogen content

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